<p>When selecting a thermal overload relay for your industrial or commercial application, it&#39;s crucial to focus on the technical specifications that ensure compatibility and reliability. This particular model is a dependable choice designed to safeguard motors against overheating by detecting excessive current flow.</p><p>Operating at a rated voltage of 690 VAC and supporting both 50/60 Hz frequency, this relay is versatile enough for various electrical systems. The rated current of 0.55 A signifies its suitability for applications requiring precise current control. Additionally, it boasts a power loss of just 1.1 W, making it an energy-efficient component in your setup.</p><p>The relay features an impressive rated impulse withstand voltage of 6 kV and maintains insulation strength with its rated insulation voltage also at 690 V. These attributes are essential for ensuring stability and safety under transient conditions.</p><p>A key aspect of this relay is its contact configuration: it includes one normally closed (NC) and one normally open (NO) contact, offering flexibility in circuit design. The setting range from 1.3 to 1.7 A allows fine-tuning to match specific motor requirements, while the trip class is set to Class 10—ideal for standard motor protection scenarios.</p><p>In terms of physical dimensions, the relay measures a compact width of 45 mm, height of 88.3 mm, and depth of 70.5 mm, facilitating easy integration into existing panels or enclosures with limited space.</p><p>Durability is assured with an operational temperature range from -25 to +60 degrees Celsius and storage capabilities between -50 and +80 degrees Celsius—ensuring performance in diverse environmental conditions.</p><p>Designed for direct mounting, it pairs seamlessly with AF09-AF38 contactors which enhances installation efficiency without additional adapters or modifications needed.</p><p>Safety standards compliance includes IEC/EN series (60947-1/-4-1/-5-1), UL certifications (60947-1/-4-1), as well as IEC standard specific to refrigeration systems (60335-2-40 A2L). Such approvals confirm its adherence to rigorous international quality benchmarks.</p><p>For short circuit protection, it&#39;s compatible with devices up to a rating of 10 A using fuse type gG—a critical consideration when designing protective circuits around sensitive equipment.</p><p>Electrical connections are secured via screw terminals providing robust connectivity even in high-vibration environments often encountered in industrial settings.</p><p>Finally, the automatic reset function simplifies maintenance by restoring operation post-tripping without manual intervention—minimizing downtime effectively during minor fault occurrences while still protecting equipment integrity over time.</p>